If you have a mechanical advantage of 2 with a block and tackle system. How much force do you have to pull with? Twice
one quarter
Three times
Half

Explain what will happen if decomposers were apsent from a forest ecoysystem.

How can waves travel through ground?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving